5511105001001 has 12 divisors (see below), whose sum is σ = 5611434541104. Its totient is φ = 5412538047000.

The previous prime is 5511105000967. The next prime is 5511105001037. The reversal of 5511105001001 is 1001005011155.

It is not a de Polignac number, because 5511105001001 - 2¹⁴ = 5511104984617 is a prime.

It is a super-2 number, since 2×5511105001001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5511105001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2905346 + ... + 4411716.

It is an arithmetic number, because the mean of its divisors is an integer number (467619545092).

Almost surely, 2^{5511105001001} is an apocalyptic number.

It is an amenable number.

5511105001001 is a deficient number, since it is larger than the sum of its proper divisors (100329540103).

5511105001001 is a wasteful number, since it uses less digits than its factorization.

5511105001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507540 (or 1507481 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 20.

The spelling of 5511105001001 in words is "five trillion, five hundred eleven billion, one hundred five million, one thousand, one".